HOUSTON, April 12, 2017 (PCW) – Enterprise Products Partners unexpectedly shut down an isomerization unit at Mont Belvieu on Tuesday, according to a TCEQ filing.

EPD has 116,000 b/d of isomerization capacity at Mont Belvieu, which represents 74% of total US isomerization capacity.

Early indications for Gulf Coast isobutane on Wednesday had it around 83.75 cpg, up 1.75 cpg from Tuesday’s close, according to PetroChem Wire assessments. Normal butane, meanwhile, is up about 2.25 cpg from Tuesday’s settle at 85.5 cpg.